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Tapered involute sector gear and variable ratio rack recirculating-ball style steering gearbox

机译:渐开线渐开线扇形齿轮和可变比齿条式循环球式转向齿轮箱

摘要

A recirculating-ball style gearbox for a vehicle steering system is provided. The gearbox has a rack with rack-teeth that are capable of providing variable ratio steering, where the rack-teeth are in mesh with the involute-teeth of a tapered sector gear. The involute-teeth of the sector gear have arrays of helical meshing lines extending across the meshing surfaces of the teeth, wherein the array of helical meshing lines have leads that decrease in length moving radially outward across the meshing surfaces.
机译:提供了一种用于车辆转向系统的循环球式变速箱。齿轮箱的齿条齿可提供可变比率转向,齿条齿与锥形扇形齿轮的渐开线齿啮合。扇形齿轮的渐开线齿具有在齿的啮合表面上延伸的螺旋啮合线的阵列,其中,螺旋啮合线的阵列具有在长度上减小的引线,该引线的长度沿径向向外越过啮合表面移动。

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